Fix "no_idt" usage in reboot code, noticed by better asm

typechecking in gcc-3.3.1.

arch/i386/kernel/reboot.c

@@ -16,7 +16,6 @@
  */
 void (*pm_power_off)(void);
 
-static long no_idt[2];
 static int reboot_mode;
 int reboot_thru_bios;
 
@@ -87,7 +86,9 @@ static struct
 	unsigned long long * base __attribute__ ((packed));
 }
 real_mode_gdt = { sizeof (real_mode_gdt_entries) - 1, real_mode_gdt_entries },
-real_mode_idt = { 0x3ff, 0 };
+real_mode_idt = { 0x3ff, 0 },
+no_idt = { 0, 0 };
+
 
 /* This is 16-bit protected mode code to disable paging and the cache,
    switch to real mode and jump to the BIOS reset code.